Damper System (Fresh Air Control)

Intelligent motorized damper systems that regulate fresh air intake and CO₂ levels — a critical element of climate-controlled mushroom cultivation.

Mushroom Production Plants

Damper System (Fresh Air Control)

SHAKTI INDUSTRIES | Concept to Commissioning

Damper Systems for Fresh Air Control

SHAKTI INDUSTRIES designs and supplies precision Damper Systems for fresh air control in mushroom growing rooms, ripening chambers, and controlled atmosphere storage facilities. The damper system is the key mechanism for managing CO2 levels and oxygen replenishment without destabilizing temperature and humidity setpoints.

Our motorized damper systems integrate directly with the PLC climate control system, allowing automatic fresh air injection based on CO2 sensor readings — maintaining optimal growing conditions throughout the entire production cycle.

Applications: Mushroom growing rooms, ripening chambers, cold stores, pharmaceutical cleanrooms, and any controlled atmosphere space requiring precise fresh air management.

Damper Types & Configurations

We supply the right damper type for each application, from simple manual versions to fully automated motorized systems with position feedback.

Motorized fresh air inlet damper
Motorized exhaust / return air damper
Modulating dampers (0–100% position)
On/off actuator dampers
Multi-blade volume control dampers
Opposed-blade dampers for proportional control

Why Choose SHAKTI Damper Systems?

CO2-sensor-driven automatic operation
Spring-return actuator for fail-safe operation
Precise modulation from 0% to 100%
Low air leakage in closed position
GI / SS construction for corrosive environments
Fully integrated with PLC control panel

Technical Specifications

Damper TypeMotorized multi-blade / single-blade
Actuator TypeSpring-return / Non-spring modulating
Control SignalOn/Off (230VAC) or 0–10V modulating
Blade MaterialGI / SS 304 / Aluminium
Frame MaterialGI / SS 304
Sizes Available150mm x 150mm to 1200mm x 1200mm
Air Leakage< 1% of design flow (closed)
Actuation Time30–90 seconds (fully open/close)
Temperature Rating-10°C to +80°C
Power Supply24VAC / 230VAC (actuator-dependent)

Control Integration

Triggering Conditions
  • CO2 level above setpoint
  • Programmed ventilation schedule
  • Manual override from PLC HMI
  • Growing stage transition
  • Fan speed change command
PLC Integration Points
  • CO2 sensor input (4–20mA)
  • Actuator open/close output
  • Position feedback input
  • Alarm output (fault detection)
  • SCADA data logging

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